Portable scoreboard



FIG. 1 is a perspective view of the portable scoreboard.

FIG. 2 is a view of the front side of the portable scoreboard.

FIG. 3 is a view of the back side of the portable scoreboard.

FIG. 4 is a first side view of the portable scoreboard.

FIG. 5 is a second side view of the portable scoreboard.

FIG. 6 is a top view of the portable scoreboard; and,

FIG. 7 is a bottom view of the portable scoreboard. 

CLAIM The ornamental design for a portable scoreboard, as shown and described. 